From: gameblabla <gameblabla@openmailbox.org>
Date: Thu, 18 Jul 2019 00:29:49 +0000 (+0200)
Subject: psxbios: Support other syscalls
X-Git-Tag: r23~156^2~21
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a946d159bfc8e85d5ff2bcb08fc940830d5acbf4;p=pcsx_rearmed.git

psxbios: Support other syscalls

Since they don't do anything however, let's just add a default and break;
instead. Interestingly, trying to implement SYS(04h+ can actually crash
the HLE bios. Nocash documentation said that it should crash it
but due to other reasons, it doesn't and returns to main program instead.
---

diff --git a/libpcsxcore/psxbios.c b/libpcsxcore/psxbios.c
index cd2fb0c5..288e33b3 100644
--- a/libpcsxcore/psxbios.c
+++ b/libpcsxcore/psxbios.c
@@ -3196,6 +3196,9 @@ void psxBiosException() {
 				case 2: // ExitCritical - enable irq's
 					psxRegs.CP0.n.Status |= 0x404; 
 					break;
+				/* Normally this should cover SYS(00h, SYS(04h but they don't do anything relevant so... */
+				default:
+					break;
 			}
 			pc0 = psxRegs.CP0.n.EPC + 4;